.product .banner {
    font-size: 0;
}

.product .banner img {
    width: 100%;
}

.product .top-wrap {
    width: 1200px;
    margin: 0 auto;
    height: 80px;
    padding: 0 15px;
}

.product .top .name {
    font-size: 30px;
    color: #000;
    line-height: 80px;
    display: inline-block;
}

.product .top .select {
    float: right;
    margin-top: 17.5px;
    position: relative;
}

.product .top .select .select-cell {
    display: inline-block;
    font-size: 16px;
    height: 45px;
    line-height: 45px;
    padding: 0 15px;
    border: 1px solid #7d7d7d;
    color: #fff;
    cursor: pointer;
    width: 180px;
    background: linear-gradient(45deg, #000, #7a7a7b);
}

.product .top .select .select-cell .icon {
    float: right;
    transform: rotate(90deg);
    color: #d0b689;
}

.product .wrap {
    width: 100%;
    position: relative;
    padding-bottom: 120px;
    margin-top: 10px;
}

.product .wrap .wrap-content {
    width: 1200px;
    margin: 0 auto;
    font-size: 0;
    padding-top: 45px;
    border-top: 1px solid #bbbbbf;
}

.product .wrap .modal-select-category {
    position: absolute;
    right: 0;
    left: 0;
    width: 100%;
    top: 0;
    bottom: 0;
    z-index: 9;
    background: rgba(0, 0, 0, 0.5);
}

.product .wrap .modal-select-category .modal-wrap {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.product .wrap .modal-select-category .modal-content {
    position: absolute;
    width: 180px;
    top: 0;
    right: 15px;
    z-index: 9;
}

.product .wrap .modal-select-category h4 {
    font-size: 20px;
    background: linear-gradient(90deg,#000, #d8d8d8);
    height: 50px;
    line-height: 50px;
    padding-left: 40px;
    color: #fff;
}

.product .wrap .modal-select-category .brand-list {
    padding: 10px 30px;
    background: #fff;
}

.product .wrap .modal-select-category .brand-list a {
    display: block;
    color: #000;
    height: 40px;
    line-height: 40px;
    position: relative;
    padding-left: 30px;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;   
}

.product .wrap .modal-select-category .brand-list a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-left: 12px solid #000;
    border-bottom: 6px solid transparent;
    left: 0;
    top: 14px;
}

.product .parameter {
    font-size: 0;
}

.product .parameter .strength {
    width: 45%;
    display: inline-block;
}

.product .parameter .strength.other {
    width: 55%;
    display: inline-block;
}

.product .parameter .strength h4 {
    font-size: 24px;
    color: #9f711d;
    line-height: 80px;
    padding-left: 14px;
}

.product .parameter .strength .list {
    padding-left: 15px;
}

.product .parameter .strength .list .list-cell {
    display: inline-block;
    width: 268px;
    height: 43px;
    line-height: 43px;
    font-size: 16px;
    background: linear-gradient(45deg, #272627, #555556);
    color: #fff;
    padding-left: 20px;
    margin-right: 30px;
    margin-bottom: 15px;
}

.product .parameter .strength .list .list-cell{
    width: 240px;
    display: inline-block;
}

.product .parameter .strength .list .list-cell:last-child {
    margin-right: 0;
}

.product .parameter .strength.other .list .list-cell{
    width: 295px;
    display: inline-block;
}

.product .parameter .strength .list-cell > span {
    font-size: 12px;
}

.product .desc-detail {
    margin-top: 80px;
}